BT 40 Standard End Mill Holder

CoolFLEX holders are factory set for coolant-thru spindle. Remove 2 setscrews for DIN B coolant.

CoolFLEX DIN B End Mill Holders

  • Coolant allows faster feed rates and extends cutting tool life

  • I.D. hole tolerance is H5 (Best in Industry)

  • Balanced to 10,000 RPM - save spindle bearings

  • Taper ground to AT3 for maximum spindle contact

  • Lab Certified for bore and taper tolerance



BT 40 Standard Lengths

BT 40 Extended Lengths

BT 40 CoolFLEX DIN B End Mill Holders

Click on the part number link to download the CAD file.

Part No.
Description
d1
L1
d2
BT 40 x 1/4" I.D. - 2.5"
1/4"
2.5"
.78"
BT 40 x 3/8" I.D. - 2.5"
3/8"
2.5"
1.0"
BT 40 x 1/2" I.D. - 2.5"
1/2"
2.5"
1.25"
BT 40 x 5/8" I.D. - 2.5"
5/8"
2.5"
1.50"
BT 40 x 3/4" I.D. - 2.5"
3/4"
2.5"
1.75"
BT 40 x 1.0" I.D. - 3.56"
1.0"
3.56"
2"
07140-1-1/4F
BT 40 x 1-1/4" I.D. - 3.56"
1-1/4"
3.56"
2.5"